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What must be added to \(\dfrac{x}{y} \) to make \(\dfrac{y}{x}\)?
The population of the city is 6000 and \(\dfrac{3^{th}}{12} \) of the population is male and rest of them are female. If the 38% of the male are married then the percentage of married female in the city is
Find the value of \(\left[(5^2+12^2)^{\frac{1}{2}}\right]^3 \) is
An electronic machine chooses random numbers from 1 to 30. What is the probability that the number chosen is a triangular number?
If a weight of 300 kg produces an extension of 5.8 meters, then find the weight which will produce an extension of 34.8 meters.
Find the value of m in \(\dfrac{(16)^{2m+1}(64)^5}{(256)^2\times4}=(256)^{3m} \)
One of the factors of \(x^2+\dfrac{1}{x^2}+22x\dfrac{2}{x} \)
If two numbers differ by 3 and their product is 504, then the numbers are
The ratio of number of boys to girls in a class is 1:25, If 36 more girls join, the ratio becomes 1:28. The number of boys in the class is
A sector of \(120^o \) cut out from circle has an area of \(9\dfrac{3}{7} \) sq cm. The radius of the circle is
The cost of a book is a two digit number. Its selling price has same digits as cost with digits interchanged. If its profit margin is divided by 9, find the remainder of division.
simplify \( \left(\dfrac{6}{13}\times\dfrac{13}{2}\right)\left(1\times\dfrac{1}{2}\right)+\left(\dfrac{1}{2}\times\dfrac{1}{4}\right)\)
The number must be subtracted from 13245 to get a perfect square is
The angles of a quadrilateral are \(\mathrm{x^o, x10^o, x+30^o}\) and \(\mathrm{2x^o}\). Find the greatest angle.
A sphere has how many faces?